package servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import news.entity.*;
import news.dao.impl.*;

public class UpdateServlet extends HttpServlet {

	/**

	 * Constructor of the object.

	 */
	public UpdateServlet() {
		super();
	}

	/**

	 * Destruction of the servlet. <br>

	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log

		// Put your code here

	}

	/**

	 * The doGet method of the servlet. <br>

	 * 

	 * This method is called when a form has its tag value method equals to get.

	 * 

	 * @param request

	 *            the request send by the client to the server

	 * @param response

	 *            the response send by the server to the client

	 * @throws ServletException

	 *             if an error occurred

	 * @throws IOException

	 *             if an error occurred

	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doPost(request, response);
	}

	/**

	 * The doPost method of the servlet. <br>

	 * 

	 * This method is called when a form has its tag value method equals to

	 * post.

	 * 

	 * @param request

	 *            the request send by the client to the server

	 * @param response

	 *            the response send by the server to the client

	 * @throws ServletException

	 *             if an error occurred

	 * @throws IOException

	 *             if an error occurred

	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("utf-8");
		response.setContentType("text/html;charset=utf-8");
		PrintWriter out = response.getWriter();
		long tid = Long.parseLong(request.getParameter("tid"));
		String tname = request.getParameter("uptopic");
		Topic t = new Topic();
		TopicDaoImpl DAO =new TopicDaoImpl();
		t.setTid(tid);
		t.setTname(tname);
		Topic re = DAO.updateTopic(tid,tname);
		request.setAttribute("result", re);
		request.getRequestDispatcher("news/updateT.jsp").forward(request,
				response);

	}

	/**

	 * Initialization of the servlet. <br>

	 * 

	 * @throws ServletException

	 *             if an error occurs

	 */
	public void init() throws ServletException {
		// Put your code here

	}

}